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Quote by Niels Henrik Abel

“Until now the theory of infinite series in general has been very badly grounded. One applies all the operations to infinite series as if they were finite; but is that permissible? I think not. Where is it demonstrated that one obtains the differential of an infinite series by taking the differential of each term? Nothing is easier than to give instances where this is not so.”

Quote by Niels Henrik Abel

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Niels Henrik Abel

Niels Henrik Abel was a Norwegian mathematician who made significant contributions to the field of mathematics, particularly in elliptic functions and integral equations. His work had a profound impact on later mathematicians, especially his proof that algebraic equations cannot be solved by radicals, known as the Abel-Ruffini theorem. more

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